{"version":"1.0","provider_name":"Deutschlandmuseum","provider_url":"https:\/\/www.deutschlandmuseum.de\/en\/","author_name":"rici","author_url":"https:\/\/www.deutschlandmuseum.de\/en\/author\/rici\/","title":"Germany invades Poland - Deutschlandmuseum","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"rIXNQgWCbB\"><a href=\"https:\/\/www.deutschlandmuseum.de\/en\/history\/calendar\/1939-09-01-germany-invades-poland\/\">Germany invades Poland<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.deutschlandmuseum.de\/en\/history\/calendar\/1939-09-01-germany-invades-poland\/embed\/#?secret=rIXNQgWCbB\" width=\"600\" height=\"338\" title=\"&#8220;Germany invades Poland&#8221; &#8212; Deutschlandmuseum\" data-secret=\"rIXNQgWCbB\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.deutschlandmuseum.de\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.deutschlandmuseum.de\/wp-content\/uploads\/2025\/09\/01091939_Ueberfall_auf_Polen-768x432.jpg","thumbnail_width":600,"thumbnail_height":338,"description":"Hitler had already broken the Munich Agreement in March 1939 by expanding beyond the confines of the Sudetenland \u2013 handed to him by the Western powers \u2013 and moving to \u201ccrush the remnants of Czechoslovakia\u201d. [...]"}